For this purpose, construction of the Kunigami class was started under the FY2009 supplement budget, but they were too expensive to build in large quantities.

[2] Due to the demand for multi-mission capabilities, displacement hull made of steel was adopted as same as the Kunigami class.

She is designed to assume the towing of a distress ship with a bollard pull of 45 tons, two funnels separated on the left and right ensure backward visibility.

[3] Based on the lesson learned from the operation of humanitarian response to the 2011 Tōhoku earthquake and tsunami, the last four ships strengthened the capacity of the fresh water generator, and additionally equipped with a water supply unit, a fuel supply unit, and a loading crane.

[4] As a main weapon, a Bushmaster II 30 mm chain gun system with an optical director is installed.